KR100896997B1 - 압축기의 보호장치 및 보호방법 - Google Patents
압축기의 보호장치 및 보호방법 Download PDFInfo
- Publication number
- KR100896997B1 KR100896997B1 KR1020070018678A KR20070018678A KR100896997B1 KR 100896997 B1 KR100896997 B1 KR 100896997B1 KR 1020070018678 A KR1020070018678 A KR 1020070018678A KR 20070018678 A KR20070018678 A KR 20070018678A KR 100896997 B1 KR100896997 B1 KR 100896997B1
- Authority
- KR
- South Korea
- Prior art keywords
- refrigerant
- oil
- compressor
- refractive index
- reflector
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C28/00—Control of, monitoring of, or safety arrangements for, pumps or pumping installations specially adapted for elastic fluids
- F04C28/28—Safety arrangements; Monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/0207—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form
- F04C18/0215—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents both members having co-operating elements in spiral form where only one member is moving
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
- F04C29/021—Control systems for the circulation of the lubricant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2210/00—Fluid
- F04C2210/26—Refrigerants with particular properties, e.g. HFC-134a
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/40—Electric motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
Description
Claims (10)
- 압축부 및 모터부가 장착되는 케이스에 설치되어 상기 케이스 내부에 존재하는 냉동기유와 냉매 혼합물의 굴절률을 검출하는 검출부; 및상기 검출부에서 검출한 굴절률에 따라 상기 모터부의 회전을 제어하는 제어부;를 포함하고,상기 검출부는 상기 케이스에 주입되는 냉동기유의 한계유면 높이에 설치되는 것을 특징으로 하는 압축기의 보호장치.
- 제 1 항에 있어서,상기 검출부는, 상기 케이스의 내부에 설치되는 광원과, 상기 광원에서 방출되는 빛을 반사하는 반사경과, 상기 반사경에서 반사되는 빛의 파장 변화를 계산하는 연산유닛을 포함하는 것을 특징으로 하는 압축기의 보호장치.
- 제 2 항에 있어서,상기 광원의 끝단과 상기 반사경은 서로 이격 설치된 것을 특징으로 하는 압축기의 보호장치.
- 삭제
- 삭제
- 제 2 항 또는 제 3 항에 있어서,상기 광원은 광섬유인 것을 특징으로 하는 압축기의 보호장치.
- 삭제
- 반사경과 광섬유를 이용하여 상기 반사경과 상기 광섬유 사이에 존재하는 냉동기유와 냉매 혼합물의 굴절률을 측정하는 단계; 및상기 굴절률 측정 단계에서 측정된 굴절률을 기준치와 비교하여 모터부의 회전을 제어하는 제어단계;를 포함하는 압축기의 보호방법.
- 제 8 항에 있어서,상기 굴절률 측정 단계는, 냉동기유와 냉매의 혼합물의 온도를 측정하여 냉동기유와 냉매의 혼합비 및 점도를 계산하는 단계를 더 포함하는 것을 특징으로 하는 압축기의 보호방법.
- 제 9 항에 있어서,상기 혼합비 및 점도를 계산하는 단계에서 계산된 냉동기유의 점도가 한계치 보다 작으면 히터를 이용하여 냉동기유의 점도를 조절하는 것을 특징으로 하는 압축기의 보호방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070018678A KR100896997B1 (ko) | 2007-02-23 | 2007-02-23 | 압축기의 보호장치 및 보호방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020070018678A KR100896997B1 (ko) | 2007-02-23 | 2007-02-23 | 압축기의 보호장치 및 보호방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20080078472A KR20080078472A (ko) | 2008-08-27 |
KR100896997B1 true KR100896997B1 (ko) | 2009-05-14 |
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KR1020070018678A KR100896997B1 (ko) | 2007-02-23 | 2007-02-23 | 압축기의 보호장치 및 보호방법 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11982456B2 (en) * | 2019-07-02 | 2024-05-14 | Hitachi Industrial Equipment Systems Co., Ltd. | Air compressor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11210648A (ja) | 1998-01-27 | 1999-08-03 | Mitsubishi Heavy Ind Ltd | 圧縮機 |
KR100480138B1 (ko) | 2003-04-21 | 2005-04-07 | 엘지전자 주식회사 | 공기조화기의 오일감지 장치 및 방법 |
KR20050060331A (ko) * | 2003-12-16 | 2005-06-22 | 엘지전자 주식회사 | 스크롤 압축기의 이상유무 검출방법 및 장치 |
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2007
- 2007-02-23 KR KR1020070018678A patent/KR100896997B1/ko active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11210648A (ja) | 1998-01-27 | 1999-08-03 | Mitsubishi Heavy Ind Ltd | 圧縮機 |
KR100480138B1 (ko) | 2003-04-21 | 2005-04-07 | 엘지전자 주식회사 | 공기조화기의 오일감지 장치 및 방법 |
KR20050060331A (ko) * | 2003-12-16 | 2005-06-22 | 엘지전자 주식회사 | 스크롤 압축기의 이상유무 검출방법 및 장치 |
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